hi, everyone, i'm your new friend here. those days i get in trouble, i need your help, or some suggestion.

several months ago, i bought a new honda car.
recently i want to a professional diagnostic tool for my car, but i have no idea about it.
I heard from my friend that Lencoo Electronic Co.,Ltd which is the manufacturer of car electronics own a high reputation about this kind of product. he tells that Honda GNA600 is my ideal choice.
i really don't know whether i shoule buy it or not, so I hope you can give me some advice. Here is the link for the product